<template>
  <div style="margin: 20px auto">
    <!--查询表单-->
    <el-form :model="params">
      标签：
      <el-input v-model="params.tag" style="width:160px"></el-input>
      原始名称：
      <el-input v-model="params.fileOriginalName" style="width:160px"></el-input>
      处理状态：
      <el-select v-model="params.processStatus" placeholder="请选择处理状态">
        <el-option
          v-for="item in processStatusList"
          :key="item.id"
          :label="item.name"
          :value="item.id">
        </el-option>
      </el-select>
      <br/>
      <el-button type="primary" v-on:click="query" size="small">查询</el-button>
      <router-link class="mui-tab-item" :to="{path:'/upload'}">
        <el-button type="primary" size="small" v-if="ischoose != true">上传文件</el-button>
      </router-link>
    </el-form>
    <!--列表-->
    <el-table :data="list" highlight-current-row v-loading="listLoading" style="width: 100%;">
      <el-table-column type="index" width="30">
      </el-table-column>
      <el-table-column prop="fileOriginalName" label="原始文件名称" width="220">
      </el-table-column>
      <el-table-column prop="fileName" label="文件名称" width="220">
      </el-table-column>
      <el-table-column prop="fileUrl" label="访问url" width="260">
      </el-table-column>
      <el-table-column prop="tag" label="标签" width="100">
      </el-table-column>
      <el-table-column prop="fileSize" label="文件大小" width="120">
      </el-table-column>
      <el-table-column prop="processStatus" label="处理状态" width="100" :formatter="formatProcessStatus">
      </el-table-column>
      <el-table-column prop="uploadTime" label="创建时间" width="110" :formatter="formatCreatetime">
      </el-table-column>
      <el-table-column label="开始处理" width="100" v-if="ischoose != true">
        <template slot-scope="scope">
          <el-button
            size="small" type="primary" plain @click="process(scope.row.fileId)">开始处理
          </el-button>
        </template>
      </el-table-column>
      <el-table-column label="选择" width="80" v-if="ischoose == true">
        <template slot-scope="scope">
          <el-button size="small" type="primary" plain @click="choose(scope.row)">选择</el-button>
        </template>
      </el-table-column>
    </el-table>
    <!--分页-->
    <el-col :span="24" class="toolbar">

      <el-pagination background layout="prev, pager, next" @current-change="changePage" :page-size="this.params.size"
                     :total="total" :current-page="this.params.page"
                     style="float:right;">
      </el-pagination>
    </el-col>
  </div>
</template>
<script>
  import * as mediaApi from '../api/media'
  import utilApi from '@/common/utils';

  export default {
    props: ['ischoose'],
    data() {
      return {
        params: {
          page: 1,//页码
          size: 10,//每页显示个数
          tag: '',//标签
          fileName: '',//文件名称
          processStatus: ''//处理状态
        },
        listLoading: false,
        list: [],
        total: 0,
        processStatusList: []
      }
    },
    methods: {
      formatCreatetime(row, column) {
        var createTime = new Date(row.uploadTime);
        if (createTime) {
          return utilApi.formatDate(createTime, 'yyyy-MM-dd hh:mm:ss');
        }
      },
      formatProcessStatus(row, column) {
        var processStatus = row.processStatus;
        if (processStatus) {
          if (processStatus == '303001') {
            return "处理中";
          } else if (processStatus == '303002') {
            return "处理成功";
          } else if (processStatus == '303003') {
            return "处理失败";
          } else if (processStatus == '303004') {
            return "无需处理";
          }
        }
      },
      choose(mediaFile) {
        if (mediaFile.processStatus != '303002' && mediaFile.processStatus != '303004') {
          this.$message.error('该文件未处理，不允许选择');
          return;
        }
        if (!mediaFile.fileUrl) {
          this.$message.error('该文件的访问url为空，不允许选择');
          return;
        }
        //调用父组件的choosemedia方法
        this.$emit('choosemedia', mediaFile.fileId, mediaFile.fileOriginalName, mediaFile.fileUrl);
      },
      changePage(page) {
        this.params.page = page;
        this.query()
      },
      process(id) {
        mediaApi.media_process(id).then((res) => {
          console.log(res)
          if (res.success) {
            this.$message.success('开始处理，请稍后查看处理结果');
          } else {
            this.$message.error('操作失败，请刷新页面重试');
          }
        })
      },
      query() {
        mediaApi.media_list(this.params.page, this.params.size, this.params).then((res) => {
          this.total = res.queryResult.total
          this.list = res.queryResult.list
        })
      }
    },
    created() {
      //默认第一页
      this.params.page = Number.parseInt(this.$route.query.page || 1);
    },
    mounted() {
      //默认查询页面
      this.query()
      //初始化处理状态
      this.processStatusList = [
        {
          id: '',
          name: '全部'
        },
        {
          id: '303001',
          name: '处理中'
        },
        {
          id: '303002',
          name: '处理成功'
        },
        {
          id: '303003',
          name: '处理失败'
        },
        {
          id: '303004',
          name: '无需处理'
        }
      ]
    }
  }
</script>
<style>

</style>
